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Shelly
Shelly

Pro 4PM

DIN-rail 4-channel smart relay with per-channel power and energy metering, a color LCD display, and wired Ethernet plus Wi-Fi for rock-solid professional installs. Each output is independently controlled and monitored for precise load management.

Native Shelly integration, local, no cloud required, with MQTT also supported. Four metered relay channels with per-output voltage, current, power, and energy measurement; wired RJ45 Ethernet for reliable connectivity; color LCD status display; DIN-rail mount.
Works on integrations
Shelly MQTT
Roles it can fill
Relay Energy Monitor

Recipes using this device

Energy · v1.0.0

High Energy Usage Alert

Installs a Home Assistant automation that watches your whole-home power draw and warns you when it stays high for longer than it should, so a heater or a forgotten appliance does not run all day unnoticed. Add speakers to hear it, add a smart plug to shed the load.

Safety · v1.0.0

Leak Auto Shutoff

Installs a Home Assistant automation that closes your water shutoff valve the instant a leak sensor goes wet, so a burst hose or a failed valve stops flooding within seconds. Add a smart plug to cut the appliance, a siren, and a speaker.

Recipes that can use it

These recipes are built around other hardware, and pick this device up as an optional extra.

Energy · v1.0.0

Solar Surplus EV Charging

Installs a Home Assistant automation that starts your EV charger when your solar array is producing a surplus and stops it when production drops, so the car pulls from the roof rather than the grid. Add a grid meter and a home battery and it holds back until they are happy too.

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